16 sunrises, 16 sunsets and no real night, why sleeping in space is harder than it looks: Inside the battle against space’s broken body clock

On the International Space Station, astronauts encounter formidable challenges related to restful sleep during their missions. The lack of natural light significantly disrupts their circadian rhythms, making it hard to rest, even when they’re tired. Conventional sleep schedules don’t always provide sufficient rest, which can compromise performance and focus. With missions extending farther into space, managing sleep patterns is increasingly vital.